The Prime Minister guessed that a "value sliced white loaf" would cost "well north of a pound" when he was quizzed about the cost of living on LBC 97.3 Radio.
When presenter Nick Ferrari told him it actually cost around 47p, Mr Cameron revealed that he prefers to use an electric breadmaker.
Mr Cameron added, "I don't buy the ... look I'm trying to get my children to eat the sort of granary - and they take it actually, they like my home-made bread."
More top news
A wet and chilly night for many, leading into a cloudy, rainy morning tomorrow. Expect some fog patches.
Angelina Jolie has spoken of how a war hero and Olympic athlete inspired her to embrace challenges at the UK premiere of her latest film.
As the government pushes for a cap on EU migrants, one businessman has called it 'nonsense'. So what happens if reform is not possible?